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How to count string length in php?
What is the definition of strlen() Function?
The strlen() Function is pre-defined function in php which returns the length of a given string. It calculates the length of the string including all the whitespaces and special characters.
Therefore, You can easily use this function to count the length.
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| <?php | |
| $message = ''; | |
| $message1 = ''; | |
| if (isset($_POST['text'])) { | |
| if (!empty($_POST['text'])) { | |
| $text = $_POST['text']; | |
| $length = strlen($text); | |
| $message =$text; | |
| $message1 = $length; | |
| }else{ | |
| echo "No text has been ebtered"; | |
| } | |
| } | |
| ?> | |
| <!DOCTYPE html> | |
| <html> | |
| <head> | |
| <title>How to count the length of string</title> | |
| <link rel="stylesheet" href="https://cdnjs.cloudflare.com/ajax/libs/font-awesome/4.7.0/css/font-awesome.min.css"> | |
| <link rel ="stylesheet" type="text/css" href="css/bootstrap.min.css"> | |
| <link href="https://fonts.googleapis.com/css2?family=Satisfy&display=swap" rel="stylesheet"> | |
| <link rel="stylesheet" type="text/css" href="css/style1.css"> | |
| <style> | |
| body{ | |
| font-size: 25px; | |
| color: black; | |
| font-family: 'Satisfy', cursive; | |
| background-color: #82CAFF; | |
| } | |
| .container{ | |
| width: 50%; | |
| margin: 0 auto; | |
| border-radius: 5px; | |
| background-color: #f2f2f2; | |
| padding: 20px; | |
| } | |
| input[type=text], textarea{ | |
| width: 150%; | |
| padding: 10px; | |
| border: 1px solid #ccc; | |
| border-radius: 4px; | |
| box-sizing: border-box; | |
| resize: vertical; | |
| } | |
| input[type=submit]{ | |
| background-color: #4caf50; | |
| color: white; | |
| padding: 15px 10px; | |
| border: none; | |
| border-radius: 5px; | |
| cursor: pointer; | |
| float: right; | |
| } | |
| label{ | |
| color: red; | |
| } | |
| .col-6{ | |
| float: left; | |
| width: 25%; | |
| margin-top: 6px; | |
| align: right; | |
| } | |
| .row:after{ | |
| content: " "; | |
| display: table; | |
| clear: both; | |
| } | |
| </style> | |
| </head> | |
| <body> | |
| <div class="container"> | |
| <?php | |
| if (!empty($message)) { | |
| ?> | |
| <div class="row"> | |
| <h3>String is: <?php echo $message; ?></h3> | |
| </div> | |
| <div class="row"> | |
| <h3>Length of this string: <?php echo $message1; ?></h3> | |
| </div> | |
| <?php | |
| } ?> | |
| <form action="strlen.php" method="POST"> | |
| <div> | |
| <label>Please write something what you want to count :</label> | |
| </div> | |
| <div class="row"> | |
| <div class="col-6"> | |
| <textarea name="text" rows="5" cols="40"></textarea> | |
| </div> | |
| <div class="col-6"> | |
| <input type="submit" name="submit" value="Submit"> | |
| </div> | |
| </div> | |
| </form> | |
| </div> | |
| </body> | |
| </html> |
by Entering input: strlen() function
Output of this string: Length of this string :17
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